Windsor’s Adventure Bay Family Water Park will reopen Wednesday after it was closed temporarily over concerns about air quality.

The move came after two life guards were hospitalized with chest and eye irritation Monday.

Project manager Don Sadler said air and machinery monitoring went well Tuesday and the facility would open as scheduled for Wednesday’s parents and tots session beginning at 9:30 a.m. Regular hours for the public Wednesday are 4 to 8 p.m.

The Adventure Bay Water Park in Windsor was closed Tues. Feb. 18, 2014, due to air quality issues. A sign is shown on the east entrance doors. (DAN JANISSE/The Windsor Star)

Sadler said the water park was closed Tuesday “out of an abundance of caution.”

Sadler, who guided the $68-million water park and natatorium project through its development, said testing showed the air quality was “perfect.”

“It could have been a number of things,” he said. On Monday, one of the three giant units that exchange the entire facility’s air five times every hour was not working, and the lifeguards showing the symptoms had worked double shifts that day, said Sadler.

By Tuesday, the third air exchange unit was working again, and the indoor air quality was being monitored with all the rides, slides and machinery in operation, but without the people.

City officials said they were not aware of any other complaints. Monday saw almost 30 lifeguards on duty, with a heavy turnout on Family Day. Sunday saw 1,534 visitors.

“There were only a few who noticed some irritation … the vast majority didn’t have any issues,” said Jan Wilson, the city’s executive director of leisure and recreation services. She said air quality will be monitored “very closely” from now on, and manufacturer representatives will be brought in Wednesday.

The lifeguards who suffered from the respiratory symptoms went to the hospital for checkups after they’d completed their shifts and gone home, said Sadler.

There was no impact on activities in the adjoining Windsor International Aquatic and Training Centre, which operates off a separate air handling system. Adventure Bay’s operating hours Monday to Thursday are 4 to 8 p.m., while Sunday’s schedule is 10 a.m. to 7 p.m.

After 31 days of operating, Adventure Bay’s attendance hit 19,700 on Monday, which was also one of its busiest days yet. “The issues so far have been quite minor — we’ve had a lot of happy customers,” said Wilson.

Sadler said there are “a lot of systems in there,” and that it could have been any number of factors why the air went bad.

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